This cleaning card is designed to clean Currency Counter form a wide range of manufacturers. Money is exceptionally dirty and can cause device misreads, bill slippage, loss of revenue, and it may cause virus resides the device ,operational failure and extreme customer frustration at self check out if not cleaned properly. Do you need to buy new device when it doesn't work or place too long, not always, maybe you just need to cleaning it. By use this claening card will clean rollers and feed paths, if held briefly in place prior to releasing into the equipment the card will burnish rollers. Maintaining these critical components on a regular basis will prolong the life of the unit. Please clean your Bill Acceptor each time you empty machine or at least twice every months. Most bill counters have lenses that are rounded and sensors that are recessed. Getting to these items cannot be achieved through the use of flat cleaning cards , it should use this concave and convex surface cleaning card. This card can be used on change machines, pay at the pumps, self serve kiosks, slot machines and vending machines. This is a disposable products designed to clean the interior contact points of electronic devices that facilitate or produce data or information transactions. They remove dirt, dust, oils and other contaminants in a safe, efficient manner. Cleaning cards are used to ensure overall device efficiency and for preventing expensive maintenance and replacement costs by eliminating or minimizing failed transactions.